STARLINK-2517, 48309
Orbit data source: Space-Track
STARLINK-2517, 48309 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 29 Apr 2021 UTC via an FALCON 9 launch vehicle from the Air Force Eastern Test Range (AFETR). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.
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48309 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Operational Commercial Communications
Bus & Motor
STARLINK, Unknown motor
Mass
260 kg wet, ~248 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 1 Pan, 10.1 m
Radar Cross Section
13.562 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 10 hours ago
TLE from 10 hours ago
0 STARLINK-2517
1 48309U 21036AK 26092.93276395 .00001856 00000-0 72911-4 0 9993
2 48309 53.1598 335.7693 0001724 82.8728 277.2469 15.31060617271931Epoch: 2026-04-02T22:23Z
TLE epoch observation values (Epoch: 2026-04-02T22:23:10.805Z)
Latitude
-0.00002°
Longitude
168.70012°
Altitude
473.398 km
Speed
7.631 km/s
True Right ascension
22h 23m 04s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
14:30:34
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
474.084 km
Perigee altitude
471.722 km
Semi-major axis
6,851.04 km
Eccentricity
0.00017
Inclination
53.1598°
RAAN
335.7693°
Arg. of periapsis
82.8728°
True anomaly
277.2273°
Mean anomaly
277.2469°
Eccentric anomaly
277.2371°
Mean motion
3.82744 °/min
Orbital period
94.06 mins
BSTAR
0.000072911
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Other satellites on launch #36 in the year 2021 (2021-04-29 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.STARLINK-2517 Visibility forecast
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Span | Click to sort rows by Start time (UTC) header in descending order | Start Az. | Max El. time (UTC) | Max El. Az. | Max El. | End time (UTC) | End Az. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-04-03 18:57:15.168Z | 234.95° WSW | 2026-04-03 18:59:15.168Z | 320.431° NNW | 44.631° | 2026-04-03 19:02:15.168Z | 47.633° ENE |
| 4 mins | 2026-04-03 23:54:15.168Z | 351.613° N | 2026-04-03 23:56:15.168Z | 31.733° NE | 16.41° | 2026-04-03 23:58:15.168Z | 64.893° ENE |
| 5 mins | 2026-04-04 01:32:15.168Z | 313.584° NW | 2026-04-04 01:34:15.168Z | 91.967° ESE | 44.45° | 2026-04-04 01:37:15.168Z | 128.038° SE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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